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Aperlena

Gemeente Katwijk

Netherlands Zuid-Holland Public buyer Notices from 8 Jul 2025 to 5 Oct 2026

44 notices in the register, 7 open now. 14 contracts awarded, worth €850,688 in all.

Main sectors Environment, sewage & cleaning 11, IT services 8, Agricultural & forestry services 5, Architecture & engineering services 5, Business services 2, Laboratory & precision equipment 1

Record

Awards by year

  1. 2026 5 awards €160,000
  2. 2025 4 awards
  • €10,000
  • €100,000
  • largest, €160,000
  • value not published

Each dot is one award, placed on its date and sized by its value.

Relations

Who wins with this buyer

  1. Stichting fondsenwerving ter bekostiging van opleiding en ontplooiing van leerplichtige kinderen” (Stichting Leergeld Zuid-Holland Midden) 1 contract 10% €540,000
  2. Renewi Nederland B.V. 1 contract 10% €160,000
  3. Versluisgroep B.V. 1 contract 10% €150,688
  4. Taxameter Centrale B.V. 1 contract 10%
  5. Centric Netherlands B.V. 1 contract 10%
  6. Uitgeverij Verhagen B.V. 1 contract 10%
  7. J. Jonker en Zonen 1 contract 10%
  8. Provalu N.V. 1 contract 10%

Shares of the 10 awards this buyer made to a named company.

Practice

How it buys

Publishing rhythm

Publishes most in September and July.

Next likely wave: July 2027.

Typical contract value
€540,000
Median of the last 7 priced notices

Based on 44 notices over the last 24 months.

Scorecard

The buyer in figures

How it runs its calls for tender

usual bidding window
46 days
of its calls state an estimated value
13%

Estimates over its calls for tender of the last 3 years, bidding windows over the last 2. Deadline extensions only where the source updates a notice in place (TED publishes corrections as separate notices, so its buyers show none).

Who wins its contracts

Many suppliers
different companies won its awards
10
of the awards went to the three most frequent winners
30%
of its calls state an estimated value
13%

Based on 10 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.

Register

Tenders from this buyer

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